Appendix D: Using GS4 AC Drives with AutomationDirect PLCs
Page D–15
DuRApulse GS4 AC Drive User Manual – 1st Ed, Rev A - 10/20/2017
modTCp (eTherneT) moniTor and ConTrol
Ethernet control over ModTCP is very similar to serial Modbus control. After installing the
ModTCP option card (see Appendix B for more information on card installation), set the following
parameters:
GS4 Parameter Settings for ModTCP (Ethernet) Monitor and Control
Parameter Setting
Run
1)
Read/
Write
Modbus
Address
Note
Hex Dec
P3.00
1st Source of Operation
Command [Remote]
5: Comm Card;
Keypad STOP
is enabled
R/W 0300 40769
This allows Ethernet commands to
start and stop the drive after the
REMOTE button is pressed (drive is in
REMOTE mode).
P3.01
2nd Source of Operation
Command [Local]
R/W 0301 40770
P4.00
1st Source of Frequency
Command [Remote]
4: Comm Card
♦R/W 0400 41025
This allows Ethernet commands to
set the drive speed after the REMOTE
button is pressed (drive is in REMOTE
mode).
P4.01
2nd Source of Frequency
Command [Local]
♦R/W 0401 41026
Other key parameters that must be modified (or at least must be known) to set up Ethernet communications
P9.48
Comm Card IP Configuration
0: Static IP
1: Dynamic IP (DHCP)
R/W 0930 42353
P9.49
Comm Card IP Address Octet 1 0~255 R/W 0931 42354
P9.50
Comm Card IP Address Octet 2 0~255 R/W 0932 42355
P9.51
Comm Card IP Address Octet 3 0~255 R/W 0933 42356
P9.52
Comm Card IP Address Octet 4 0~255 R/W 0934 42357
P9.53
Comm Card Mask Octet 1 0~255 R/W 0935 42358
P9.54
Comm Card Mask Octet 2 0~255 R/W 0936 42359
P9.55
Comm Card Mask Octet 3 0~255 R/W 0937 42360
P9.56
Comm Card Mask Octet 4 0~255 R/W 0938 42361
P9.57
Comm Card Gateway Octet 1 0~255 R/W 0939 42362
P9.58
Comm Card Gateway Octet 2 0~255 R/W 093A 42363
P9.59
Comm Card Gateway Octet 3 0~255 R/W 093B 42364
P9.60
Comm Card Gateway Octet 4 0~255 R/W 093C 42365
P9.64
Comm Card External Set
0, 2
Bit 0 = reserved
Bit 1 = Write Ethernet Parameters to Comm Card
Bit 2 = reserved
R/W 0940 42369
Refer to Appendix B for detailed information and an example on how to set up these parameters.
We recommend using Static IP (P9.48=0) and testing the communications between drive and
PC/PLC with either an Ethernet crossover cable or a simple Ethernet hub/switch Do not try to
commission Ethernet communications for the first time on a larger, managed network.
Set P9.64 = 2 (bit 1) after changing any of these parameters to save the changes to the card firmware.
Once communications have been established, please refer to the serial Modbus section above for
all the relevant Command and Status Words.
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